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Design - Interview Questions and Answers for 'Eci telecom' - 5 question(s) found - Order By Newest | ||||
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Ans. Abstract classes can have both abstract methods ( method declarations ) as well as concrete methods ( inherited to the derived classes ) whereas Interfaces can only have abstract methods ( method declarations ). A class can extend single abstract class whereas it can implement multiple interfaces. | ||||
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Ans. [Open Ended Answer] | ||||
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Ans. http://www.buggybread.com/2014/03/java-design-pattern-singleton-interview.html | ||||
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Ans. http://javasearch.buggybread.com/CodeSnippets/searchCodeSamples.php?keyword=singleton+class&category=code | ||||
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